2-2
C
HAPTER
2: U
SING
THE
AT C
OMMAND
S
ET
AT&K3X2DT5551234
Hyphens and parentheses add to the count of 56 characters but, spaces
do not.
Basic AT commands
The command AT informs the modem that a command is coming. AT
must precede all commands except
A/, A> and +++.
Example:
Sending
ATD5551234
will make the modem dial 555-1234.
Now, if you send
A/
the modem will dial 555-1234 again.
Using S-Registers
S-Registers are addresses of places in memory where various timing
parameters, redefinitions of selected ASCII characters, and other
configuration settings are stored.
Initially, the S-Register settings for each of the NVRAM templates are the
same. You can overwrite an S-Register’s stored value. See the default
values listed in Appendix A,
S-Registers
, for a complete listing of the
initial settings.
AT
Attention; a command follows.
&K3
Disable MNP5 data compression; use only V.42 bis compression.
X2
Use the X2 result code subset.
DT
Dial the following number using tone dialing.
To configure your modem to
Command
Re-execute the last-issued command.
A/
Repeat the last-issued command until canceled by pressing
any key.
A>
Содержание U.S. Robotics 56K Voice
Страница 1: ...http www 3com com 3Com OfficeConnect 56K Business Modem Command Reference Published January 1999...
Страница 14: ...4 ABOUT THIS GUIDE...
Страница 32: ...1 18 CHAPTER 1 CONNECTING TO YOUR ISP...
Страница 42: ...3 6 CHAPTER 3 MODES OF OPERATION...
Страница 64: ...7 4 CHAPTER 7 CONTROLLING EIA 232 SIGNALING...
Страница 72: ...8 8 CHAPTER 8 CONTROLLING DATA RATES...
Страница 80: ...9 8 CHAPTER 9 ACCESSING AND CONFIGURING THE BUSINESS MODEM REMOTELY...
Страница 96: ...11 6 CHAPTER 11 FLOW CONTROL...
Страница 108: ...12 12 CHAPTER 12 HANDSHAKING ERROR CONTROL DATA COMPRESSION AND THROUGHPUT...
Страница 112: ...13 4 CHAPTER 13 DISPLAYING QUERYING AND HELP SCREENS...
Страница 124: ...14 12 CHAPTER 14 TESTING THE CONNECTION...
Страница 132: ...15 8 CHAPTER 15 TROUBLESHOOTING...
Страница 162: ...B 14 APPENDIX B ALPHABETIC COMMAND SUMMARY...
Страница 168: ...C 6 APPENDIX C FLOW CONTROL TEMPLATE...
Страница 210: ...14 GLOSSARY...